Description: Signal, Bally, 09/34, has mechanical cast signals on the playfield. Has an electric bell. Bally Signal's object is to shoot balls into the Score Runways. This will advance when another ball falls into the Signal hole. Uses four 6-volt batteries. Has a bell. Designed by Harry Williams. One of the first games with a "stool pigeon" style cup/ball tilt system. Electro mechanical pinball (batteries.)

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